Home / 1,405,572.03-2,106,150.39-1,086,505.74

Finding the Fourth Proportional to 1,405,572.03, 2,106,150.39 and 1,086,505.74

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Solution

The fourth proportional to 1,405,572.03, 2,106,150.39 and 1,086,505.74 is: 1,628,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,572.03 : 2,106,150.39 = 1,086,505.74 : x
  2. Step 2: Convert to fraction form
    1,405,572.03/2,106,150.39 = 1,086,505.74/x
  3. Step 3: Cross multiply
    1,405,572.03x = 2,106,150.39 × 1,086,505.74
  4. Step 4: Simplify right side
    1,405,572.03x = 2,288,344,488,038.24
  5. Step 5: Solve for x
    x = 2,288,344,488,038.24/1,405,572.03
  6. Step 6: Final answer
    x = 1,628,052.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.